EBK PRINCIPLES OF ELECTRIC CIRCUITS
10th Edition
ISBN: 9780134879499
Author: Buchla
Publisher: YUZU
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Textbook Question
Chapter 1, Problem 26P
Express the following using metric prefixes:
- a. 2.5 × 10−12 A
- b. 8 × 109 Hz
- c. 4.7 × 103 Ω
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with steps."
Find Laplace transform and the corresponding ROC for
x(t) = e−3sin(2t) u(t)dt
Three similar coils, connected in star, take a total
power of 1.5 kW, at a power factor of 0.2, from a
three-phase, 400 V, 50 Hz supply. Calculate: (a) the
resistance and inductance of each coil; (b) the line
currents if one of the coils is short-circuited.
(a) Three 20 µF capacitors are star-connected across
a 400 V, 50 Hz, three-phase, three-wire supply.
Calculate the current in each line. (b) If one of the
capacitors is short-circuited, calculate the line cur
rents. (c) If one of the capacitors is open-circuited,
calculate: the line currents and the p.d. across each
of the other two capacitors.
ANS:
1.525 A; 2.64 A, 2.64 A, 4.57 A; 1.32 A, 1.32 A, 0;
210 V
Chapter 1 Solutions
EBK PRINCIPLES OF ELECTRIC CIRCUITS
Ch. 1 - Express 4,750 in scientific notation.Ch. 1 - Express 0.00738 in scientific notation.Ch. 1 - Express 9.12 103 as a regular decimal number.Ch. 1 - Add 3.1 103 and 5.5 104.Ch. 1 - Subtract 3.5 106 from 2.2 105.Ch. 1 - Multiply 3.2 106 and 1.5 103.Ch. 1 - Divide 8 106 by 2 1010.Ch. 1 - Express 36,000,000,000 in engineering notation.Ch. 1 - Express 0.0000000000056 in engineering notation.Ch. 1 - Express using metric prefixes: 1. 56,000 2....
Ch. 1 - Convert 1 mA to microamperes.Ch. 1 - Convert 1,000 mV to millivolts.Ch. 1 - Convert 893 nA to microamperes.Ch. 1 - Convert 10,000 pF to microfarads.Ch. 1 - Convert 0.0022 mF to picofarads.Ch. 1 - Convert 2.2 k to megohms.Ch. 1 - Add 2,873 mA to 10,000 mA; express the sum in...Ch. 1 - How would you show the number 10,000 showing three...Ch. 1 - What is the difference between a measured quantity...Ch. 1 - Round 3.2850 to three significant digits using the...Ch. 1 - Derived units in the SI system use base units in...Ch. 1 - The base electrical unit in the SI system is the...Ch. 1 - The supplementary SI units are for angular...Ch. 1 - The number 3,300 is written as 3.3 103 in both...Ch. 1 - A negative number that is expressed in scientific...Ch. 1 - When you multiply two numbers written in...Ch. 1 - When you divide two numbers written in scientific...Ch. 1 - The metric prefix micro has an equivalent power of...Ch. 1 - To express 56 106 with a metric prefix, the...Ch. 1 - 0.047 F is equal to 47 nFCh. 1 - 0.010 F is equal to 10,000 pF.Ch. 1 - 10,000 kW is equal to 1 MW.Ch. 1 - The number of significant digits in the number...Ch. 1 - To express 10,000 with three significant figures,...Ch. 1 - When you apply the round-to-even rule to round off...Ch. 1 - If a series of measurements are precise, they must...Ch. 1 - The base SI electrical unit is the ampere.Ch. 1 - Which of the following is not an electrical...Ch. 1 - The unit of current is a. volt b. watt c. ampere...Ch. 1 - The number of base units in the SI system is a. 3...Ch. 1 - An mks measurement unit is one that a. can be...Ch. 1 - In the Sl system, the prefix k means to multiply...Ch. 1 - Prob. 6STCh. 1 - The quantity 4.7 103 is the same as a) 470 b)...Ch. 1 - The quantity 56 103 is the same as a. 0.056 b....Ch. 1 - Prob. 9STCh. 1 - Ten milliamperes can be expressed as a. 10 MA b....Ch. 1 - Five thousand volts can be expressed as a. 5,000 V...Ch. 1 - Twenty million ohms can be expressed as a. 20 m b....Ch. 1 - Prob. 13STCh. 1 - When reporting a measured value, it is okay to...Ch. 1 - Express each of the following numbers in...Ch. 1 - Express each fractional number in scientific...Ch. 1 - Express each of the following numbers in...Ch. 1 - Express each of the following numbers in...Ch. 1 - Express each of the following numbers in...Ch. 1 - Express each of the following as a regular decimal...Ch. 1 - Express each of the following as a regular decimal...Ch. 1 - Express each number in regular decimal form: a....Ch. 1 - Add the following numbers: a. (9.2 106) + (3.4 ...Ch. 1 - Prob. 10PCh. 1 - Perform the following multiplications: a. (5 ...Ch. 1 - Prob. 12PCh. 1 - Perform the indicated operations: a. (8 104 + 4 ...Ch. 1 - Starting with 1012, list the powers of ten in...Ch. 1 - Express each of the following numbers in...Ch. 1 - Express each number in engineering notation: a....Ch. 1 - Express each number in engineering notation: a....Ch. 1 - Express each number in engineering notation: a....Ch. 1 - Add the following numbers and express each result...Ch. 1 - Multiply the following numbers and express each...Ch. 1 - Divide the following numbers and express each...Ch. 1 - Express each number in Problem 15 in ohms using a...Ch. 1 - Express each number in Problem 17 in amperes using...Ch. 1 - Express each of the following as a quantity having...Ch. 1 - Express the following using metric prefixes: a. 3 ...Ch. 1 - Express the following using metric prefixes: a....Ch. 1 - Express each quantity by converting the metric...Ch. 1 - Express each quantity in engineering notation: a....Ch. 1 - Perform the indicated conversions: a. 5 mA to...Ch. 1 - Determine the following: a. The number of...Ch. 1 - Add the following quantities: a. 50 mA + 680 A b....Ch. 1 - Do the following operations: a. 10 k (2.2 k + 10...Ch. 1 - How many significant digits are in each of the...Ch. 1 - Round each of the following numbers to three...
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